การระเหย

thumb|right|Aerosol of microscopic water droplets suspended in the air above a cup of hot tea after the water vapor has sufficiently cooled and condensed. Water vapor is an invisible gas, but the clouds of condensed droplets refract and scatter the sunlight and are thus visible. thumb|Droplets of water vapor in a pan. thumb|right|280px|Demonstration of evaporative cooling. When the sensor is dipped in ethanol and then taken out to evaporate, the instrument shows progressively lower temperature as the ethanol evaporates. thumb|Rain evaporating after falling on hot pavement

AI overview

Evaporation is the process where liquid water transforms into an invisible gas called water vapor. It matters because it's a key part of how water moves through the environment and can cool things down as it occurs.

AI-generated from the Wikipedia summary — may contain errors.